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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-05-16 05:41:33 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-05-16 05:41:33 +0000 |
| commit | 36b8b48bbb22bfed546babfdb858191f79cb19e5 (patch) | |
| tree | 36331df681ed8bcd98ecd9a324528cfefad397ca /lib/Target/ARM | |
| parent | 9bc1b73c9e30197d18b64fb9cf09dd45eaef256b (diff) | |
| download | llvm-36b8b48bbb22bfed546babfdb858191f79cb19e5.tar.gz llvm-36b8b48bbb22bfed546babfdb858191f79cb19e5.tar.bz2 llvm-36b8b48bbb22bfed546babfdb858191f79cb19e5.tar.xz | |
ARM: add some integer/floating point conversion libcalls
Add some Windows on ARM specific library calls. These are provided by msvcrt,
and can be used to perform integer to floating-point conversions (and
vice-versa) mirroring similar functions in the RTABI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208949 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index d5617dd66e..c2d9b7a124 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -418,6 +418,28 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setLibcallCallingConv(RTLIB::MEMSET, CallingConv::ARM_AAPCS); } + if (Subtarget->isTargetWindows()) { + static const struct { + const RTLIB::Libcall Op; + const char * const Name; + const CallingConv::ID CC; + } LibraryCalls[] = { + { RTLIB::FPTOSINT_F32_I64, "__stoi64", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::FPTOSINT_F64_I64, "__dtoi64", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::FPTOUINT_F32_I64, "__stou64", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::FPTOUINT_F64_I64, "__dtou64", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::SINTTOFP_I64_F32, "__i64tos", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::SINTTOFP_I64_F64, "__i64tod", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::UINTTOFP_I64_F32, "__u64tos", CallingConv::ARM_AAPCS_VFP }, + { RTLIB::UINTTOFP_I64_F64, "__u64tod", CallingConv::ARM_AAPCS_VFP }, + }; + + for (const auto &LC : LibraryCalls) { + setLibcallName(LC.Op, LC.Name); + setLibcallCallingConv(LC.Op, LC.CC); + } + } + // Use divmod compiler-rt calls for iOS 5.0 and later. if (Subtarget->getTargetTriple().isiOS() && !Subtarget->getTargetTriple().isOSVersionLT(5, 0)) { |